只有工程车在通向道口的线路上运行，这些工程车正在配有控制器的方向上正常地通过。 烦请大家帮忙修改先谢了。

The only movements over the crossing will be those of engineering trains passing normally in a direction for which there are controls.

youdao

只有工程车在通向道口的线路上运行，这些工程车正在配有控制器的方向上正常地通过。 烦请大家帮忙修改先谢了。

The only movements over the crossing will be those of engineering trains passing normally in a direction for which there are controls.

youdao